PANAMIC AND WEST INDIAN ECHINID FAUNA. 



223 



numerous to give us any idea of the association of the deep-water species 

 at any locality. The adjoining Table gives the range of the different 

 species on the Panamic side of the Isthmus, as far as it can be given from 

 the collections made by the " Albatross " in 1891. 



BATHYMETRICAL RANGE OF THE PANAMIC SPECIES OF ECHINI. 



